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数苑讲坛2024(三十):Finite Mixture of Regression Models and Their Applications

发布日期:2024-06-14 浏览次数:

报告题目:Finite Mixture of Regression Models and Their Applications

人:林诗丽教授俄亥俄州立大学

报告时间:202462110:00-11:00

报告地点:龙洞校区行政楼610

人:金应华


报告摘要:Finite mixture models are ubiquitous in mathematical and statistical theory, methodology, and applications in many areas of scientific inquiries. Among them is a class of models that are generally referred to as finite mixture of regression models, where each component of the mixture is influenced by a set of covariates, a setting frequently encountered and particularly relevant and important in the big data era. The high dimensionality complicates the problem significantly, leading to numerous new developments of theory and methods for sparsity treatments. In this talk, I will touch on a number of issues in finite mixture of regression models,including (1) feature selection in a sparse model with high-dimensional feature space, (2) regularization with diverging number of parameters, (3) heterogeneity of covariate effects in the presence of censoring, and (4) semi-parametric finite mixture of varying coefficient models. Multiple applications will be used to motivate the problems and illustrate the utilities of the solutions discussed.


专家简介:Shili Lin is a Professor of Statistics at the Ohio State University, the Vice Chair of the University-wise Interdisciplinary Program in Biostatistics, and the Founding Director of the Computational Health and Life Sciences Community of Practice at the Translational Data Analytics Institute. She serves in the Board of Directors of the Canadian Statistical Sciences Institute, among many other national and international committees. She is currently serving or has served as an Associate Editor in several well-known journals, including the Journal of the American Statistical Association and Biometrics. She is a Fellow of the American Statistical Association, a Fellow of the Institute of Mathematical Statistics, a Fellow of the American Association for the Advancement of Science, and an elected member of the International Statistical Institute. The international conference “Advances in Statistical and Computational Methods for Analysis of Biomedical, Genetic, and Omics Data” was held in March 2023 to honor Shili Lin for her research, mentoring, and leadership.

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